scholarly journals Identification and Characterization of the Basic Helix-Loop-Helix Transcription Factor Family in Pinus massoniana

Forests ◽  
2020 ◽  
Vol 11 (12) ◽  
pp. 1292
Author(s):  
Yu Chen ◽  
Peihuang Zhu ◽  
Fan Wu ◽  
Xiaofeng Wang ◽  
Jinfeng Zhang ◽  
...  
Keyword(s):  
Transcription Factor ◽  
Pinus Massoniana ◽  
Pcr Analysis ◽  
Bhlh Protein ◽  
Transcription Factor Family ◽  
Masson Pine ◽  
Basic Helix Loop Helix ◽  
Helix Loop Helix ◽  
Bhlh Genes ◽  
Bhlh Transcription Factors

The basic helix-loop-helix (bHLH) protein transcription factor family is the most widely distributed transcription factor family in eukaryotes. Members of this family play important roles in secondary metabolic biosynthesis, signal transduction, and plant resistance. Research on the bHLH family in animals is more extensive than that in plants, and members of the family in plants are classified according to the classification criteria for those in animals. To date, no research on the bHLH gene family in Pinus massoniana (Masson pine) has been reported. In this study, we identified 88 bHLH genes from four transcriptomes of Masson pine and performed bioinformatics analysis. These genes were divided into 10 groups in total. RT-PCR analysis revealed that the expression levels of the six genes increased under abiotic stress and hormone treatments. These findings will facilitate further studies on the functions of bHLH transcription factors.

scholarly journals Genome-wide identification and characterization of melon bHLH transcription factors in regulation of fruit development

2020 ◽  
Author(s):  
Selinge Bai ◽  
Chao Tan ◽  
Yunyun Tian ◽  
Ming Ma ◽  
Agula Hasi
Keyword(s):  
Transcription Factor ◽  
Fruit Ripening ◽  
Distribution Patterns ◽  
Fruit Growth ◽  
Bhlh Transcription Factor ◽  
Transcription Factor Family ◽  
Helix Loop Helix ◽  
Bhlh Genes ◽  
Bhlh Transcription Factors ◽  
Intron Distribution

Abstract Background: The basic helix-loop-helix (bHLH) transcription factor family is one of the largest transcription factor families in plants, and plays crucial roles in plant development. Melon is one of an important horticulture plants, and is an attractive model plant for studying fruit ripening. However, the bHLH gene family of melon has not been identified yet, and functions in fruit growth and ripening are seldom researched. Results: In this study, 118 bHLH genes were identified in the genome of melon. Phylogenetic analysis illustrated that these CmbHLHs could be classified into 16 subfamilies. Intron distribution pattern analysis of bHLH domain found 13 intron distribution patterns in CmbHLHs. CmbHLH genes were unevenly distributed on chromosomes 1 to 12 of the melon genome, and five CmbHLH s were tandem repeat on chromosomes 4 and 8. Expression characters of CmbHLH genes were studied using the transcriptome data. Tissue analysis of indicated CmbHLH32 high expressed in female flowers and early fruit growth stage. Transgenic plant lines of overexpression of CmbHLH32 were constructed, and overexpression of CmbHLH32 result in early fruit ripening compared to the wild type fruit. Conclusions: The bHLH transcription factor family was identified and analyzed for the first time in the melon, overexpression of CmbHLH32 will affect the ripening time of melon fruit, these findings laid a theoretical foundation for further study on the role of bHLH family members in the growth and development of melon .

A novel basic helix-loop-helix protein is expressed in muscle attachment sites of the Drosophila epidermis

1994 ◽  
Vol 14 (6) ◽  
pp. 4145-4154
Author(s):  
P Armand ◽  
A C Knapp ◽  
A J Hirsch ◽  
E F Wieschaus ◽  
M D Cole
Keyword(s):  
Distinct Pattern ◽  
Bhlh Protein ◽  
Muscle Attachment ◽  
Muscle Creatine Kinase ◽  
Basic Helix Loop Helix ◽  
Helix Loop Helix ◽  
Attachment Sites ◽  
Bhlh Genes ◽  
Somatic Muscles ◽  
Muscle Attachment Sites

We have found that a novel basic helix-loop-helix (bHLH) protein is expressed almost exclusively in the epidermal attachments sites for the somatic muscles of Drosophila melanogaster. A Drosophila cDNA library was screened with radioactively labeled E12 protein, which can dimerize with many HLH proteins. One clone that emerged from this screen encoded a previously unknown protein of 360 amino acids, named delilah, that contains both basic and HLH domains, similar to a group of cellular transcription factors implicated in cell type determination. Delilah protein formed heterodimers with E12 that bind to the muscle creatine kinase promoter. In situ hybridization with the delilah cDNA localized the expression of the gene to a subset of cells in the epidermis which form a distinct pattern involving both the segmental boundaries and intrasegmental clusters. This pattern was coincident with the known sites of attachment of the somatic muscles to tendon cells in the epidermis. delilah expression persists in snail mutant embryos which lack mesoderm, indicating that expression of the gene was not induced by attachment of the underlying muscles. The similarity of this gene to other bHLH genes suggests that it plays an important role in the differentiation of epidermal cells into muscle attachment sites.

Identification and analysis of the mouse basic/Helix-Loop-Helix transcription factor family

2006 ◽  
Vol 350 (3) ◽  
pp. 648-656 ◽  
Author(s):  
Jing Li ◽  
Qi Liu ◽  
Mengsheng Qiu ◽  
Yuchun Pan ◽  
Yixue Li ◽  
...  
Keyword(s):  
Transcription Factor ◽  
Transcription Factor Family ◽  
Basic Helix Loop Helix ◽  
Helix Loop Helix

The basic helix-loop-helix transcription factor family in Bombyx mori

2007 ◽  
Vol 217 (10) ◽  
pp. 715-723 ◽  
Author(s):  
Yong Wang ◽  
Keping Chen ◽  
Qin Yao ◽  
Wenbing Wang ◽  
Zhi Zhu
Keyword(s):  
Transcription Factor ◽  
Bombyx Mori ◽  
Transcription Factor Family ◽  
Basic Helix Loop Helix ◽  
Helix Loop Helix

scholarly journals The Arabidopsis Basic/Helix-Loop-Helix Transcription Factor Family

2003 ◽  
Vol 15 (8) ◽  
pp. 1749-1770 ◽  
Author(s):  
Gabriela Toledo-Ortiz ◽  
Enamul Huq ◽  
Peter H. Quail
Keyword(s):  
Transcription Factor ◽  
Transcription Factor Family ◽  
Basic Helix Loop Helix ◽  
Helix Loop Helix

scholarly journals The Basic Helix-Loop-Helix Transcription Factor Family in the Pea Aphid,Acyrthosiphon pisum

2011 ◽  
Vol 11 (84) ◽  
pp. 1-11 ◽  
Author(s):  
Chun-Wang Dang ◽  
Yong Wang ◽  
Ke-Ping Chen ◽  
Qing Yao ◽  
De-Bao Zhang ◽  
...  
Keyword(s):  
Transcription Factor ◽  
Acyrthosiphon Pisum ◽  
Pea Aphid ◽  
Transcription Factor Family ◽  
Basic Helix Loop Helix ◽  
Helix Loop Helix
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